private static List <SlidePart> CreateImageSlideParts(PresentationPart presentationPart, List <SvgDocument> svgDocs)
{
int id = 256;
string relId;
SlideId newSlideId;
SlideLayoutId newSlideLayoutId;
uint uniqueId = GetMaxUniqueId(presentationPart);
uint maxSlideId = GetMaxSlideId(presentationPart.Presentation.SlideIdList);
// get first slide master part: template
SlideMasterPart slideMasterPart = presentationPart.SlideMasterParts.First();
List <SlidePart> slideParts = new List <SlidePart>();
for (int i = 0; i < svgDocs.Count; i++)
{
id++;
using (MemoryStream ms = new MemoryStream())
{
using (System.Drawing.Bitmap image = svgDocs[i].Draw())
{
image.Save(ms, ImageFormat.Bmp);
ms.Seek(0, SeekOrigin.Begin);
relId = "rId" + id;
// add new slide part
SlidePart slidePart = presentationPart.AddNewPart <SlidePart>(relId);
// add image part to slide part
ImagePart imagePart = slidePart.AddImagePart(ImagePartType.Bmp, relId);
imagePart.FeedData(ms);
// add image slide
CreateImageSlide(relId).Save(slidePart);
// add slide layout part to slide part
SlideLayoutPart slideLayoutPart = slidePart.AddNewPart <SlideLayoutPart>();
CreateSlideLayoutPart().Save(slideLayoutPart);
slideMasterPart.AddPart(slideLayoutPart);
slideLayoutPart.AddPart(slideMasterPart);
uniqueId++;
newSlideLayoutId = new SlideLayoutId();
newSlideLayoutId.RelationshipId = slideMasterPart.GetIdOfPart(slideLayoutPart);
newSlideLayoutId.Id = uniqueId;
slideMasterPart.SlideMaster.SlideLayoutIdList.Append(newSlideLayoutId);
// add slide part to presentaion slide list
maxSlideId++;
newSlideId = new SlideId();
newSlideId.RelationshipId = relId;
newSlideId.Id = maxSlideId;
presentationPart.Presentation.SlideIdList.Append(newSlideId);
}
}
}
slideMasterPart.SlideMaster.Save();
return(slideParts);
}
static void CreateSlides(List <string> imageFileNames, string newPresentation)
{
int id = 0;
string relId;
SlideId newSlideId;
SlideLayoutId newSlideLayoutId;
string imageFileNameNoPath;
long imageWidthEMU = 0;
long imageHeightEMU = 0;
// Open the new presentation.
using (PresentationDocument newDeck = PresentationDocument.Open(newPresentation, true))
{
// Get the presentation part of the new deck.
PresentationPart presentationPart = newDeck.PresentationPart;
// Reuse the slide master. Otherwise, create a new slide master part and a new theme part.
var slideMasterPart = presentationPart.SlideMasterParts.First();
// If the new presentation doesn't have a SlideIdList element yet then add it.
if (presentationPart.Presentation.SlideIdList == null)
{
presentationPart.Presentation.SlideIdList = new SlideIdList();
}
// If the slide master doesn't have a SlideLayoutIdList element yet then add it.
if (slideMasterPart.SlideMaster.SlideLayoutIdList == null)
{
slideMasterPart.SlideMaster.SlideLayoutIdList = new SlideLayoutIdList();
}
// Get a unique id for both the slide master id and slide layout id lists.
uint uniqueId = GetMaxUniqueId(presentationPart);
// Get a unique id for the slide id list.
uint maxSlideId = GetMaxSlideId(presentationPart.Presentation.SlideIdList);
// Loop through each file in the image folder creating slides in the new presentation.
foreach (string imageFileNameWithPath in imageFileNames)
{
imageFileNameNoPath = Path.GetFileNameWithoutExtension(imageFileNameWithPath);
// Create a unique relationship id based on the name of the image file.
id++;
relId = imageFileNameNoPath.Replace(" ", "") + id;
// Get the bytes and size of the image.
byte[] imageBytes = GetImageData(imageFileNameWithPath, ref imageWidthEMU, ref imageHeightEMU);
// Create the new slide part.
var slidePart = presentationPart.AddNewPart <SlidePart>(relId);
GenerateSlidePart(relId, imageFileNameNoPath, imageFileNameNoPath, imageWidthEMU, imageHeightEMU).Save(slidePart);
var imagePart = slidePart.AddImagePart(ImagePartType.Jpeg, relId);
GenerateImagePart(imagePart, imageBytes);
//slidePart.AddPart(slideLayoutPart);
var slideLayoutPart = slidePart.AddNewPart <SlideLayoutPart>();
GenerateSlideLayoutPart().Save(slideLayoutPart);
slideMasterPart.AddPart(slideLayoutPart);
slideLayoutPart.AddPart(slideMasterPart);
// Add new slide layout into the list in slideMasterPart
uniqueId++;
newSlideLayoutId = new SlideLayoutId();
newSlideLayoutId.RelationshipId = slideMasterPart.GetIdOfPart(slideLayoutPart);
newSlideLayoutId.Id = uniqueId;
slideMasterPart.SlideMaster.SlideLayoutIdList.Append(newSlideLayoutId);
// Add slide to slide list.
maxSlideId++;
newSlideId = new SlideId();
newSlideId.RelationshipId = relId;
newSlideId.Id = maxSlideId;
presentationPart.Presentation.SlideIdList.Append(newSlideId);
}
slideMasterPart.SlideMaster.Save();
// Make sure all slide ids are unique.
// FixSlideLayoutIds(presentationPart);
// Save the changes to the new deck.
presentationPart.Presentation.Save();
}
}
